只需要一句话设圆上的点A(2,3)关于直线x+2y=0的对称点仍在圆上,且与直线x-y+1=0相交的弦长为2√2,求圆的方程.且与直线x-y+1=0相交的弦长 读不懂1?我看解题步骤上的意思是貌似x-y+1=0就是轩长?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/29 10:41:20
![只需要一句话设圆上的点A(2,3)关于直线x+2y=0的对称点仍在圆上,且与直线x-y+1=0相交的弦长为2√2,求圆的方程.且与直线x-y+1=0相交的弦长 读不懂1?我看解题步骤上的意思是貌似x-y+1=0就是轩长?](/uploads/image/z/7171664-32-4.jpg?t=%E5%8F%AA%E9%9C%80%E8%A6%81%E4%B8%80%E5%8F%A5%E8%AF%9D%E8%AE%BE%E5%9C%86%E4%B8%8A%E7%9A%84%E7%82%B9A%EF%BC%882%2C3%EF%BC%89%E5%85%B3%E4%BA%8E%E7%9B%B4%E7%BA%BFx%2B2y%3D0%E7%9A%84%E5%AF%B9%E7%A7%B0%E7%82%B9%E4%BB%8D%E5%9C%A8%E5%9C%86%E4%B8%8A%2C%E4%B8%94%E4%B8%8E%E7%9B%B4%E7%BA%BFx-y%2B1%3D0%E7%9B%B8%E4%BA%A4%E7%9A%84%E5%BC%A6%E9%95%BF%E4%B8%BA2%E2%88%9A2%2C%E6%B1%82%E5%9C%86%E7%9A%84%E6%96%B9%E7%A8%8B.%E4%B8%94%E4%B8%8E%E7%9B%B4%E7%BA%BFx-y%2B1%3D0%E7%9B%B8%E4%BA%A4%E7%9A%84%E5%BC%A6%E9%95%BF+%E8%AF%BB%E4%B8%8D%E6%87%821%3F%E6%88%91%E7%9C%8B%E8%A7%A3%E9%A2%98%E6%AD%A5%E9%AA%A4%E4%B8%8A%E7%9A%84%E6%84%8F%E6%80%9D%E6%98%AF%E8%B2%8C%E4%BC%BCx-y%2B1%3D0%E5%B0%B1%E6%98%AF%E8%BD%A9%E9%95%BF%3F)
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